PROJECT TASK: Tower Crane Erection CONTRACTOR: Tarlac-3G Construction & Development Corporation

DOCUMENT: Job Hazard Analysis

STEPS HAZARD COUNTERMEASURES/CONTROL

1. Pre-approval for rail - Low quality of foundation. - Provide as build drawings and necessary documents with
system installed at the - Wrong electrical required approval.
site, including the Preparation/ Installation - Only qualified electrician for installation of electrical lines.
electrical supply - Ensure that electrical supply is off, lock, and if necessary
tagging system is required
2. - Unnecessary act (Unsafe - Fully planned with written step by step work and condition to
Pre- Commencement act and unsafe condition safety requirements.
Activities (MS, and JHA) due to unplanned and no - Implementation of restriction on-site area.
procedure to task
3. Site Preparation - Uncleared road site area. - Provide drivable and clear road at the erection site
- No Traffic management - Provide flow traffic instruction materials (Signages, Arrows
flow. detour etc.)
- Use damaged tools and - Use softener (protection Pad) to protect the sling to damage.
equipment. - Perimeter area should be barricade
Ex. (Slings, Chain, and
Tools).

4. Transporting of Materials - Material Falls Traffic hazard. - Use approved crane with inspection - Use approved trailer
and Parts - Equipment Breakdown truck.
- Ensure material fasten with approved chain and binder slings.
- Installation of Safety Signages and warning tapes attached in
extended materials.
5. Unloading of parts and - Wrong lifting - Falling - Use approved crane with daily inspection
equipment. Materials. - Banksman post and directing traffic flow.
- Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
 site use tag lines to control the load.
- Provision of barricade in the site area.
6. Erection and installation of - Wrong lifting Falling - Use approved crane with daily inspection Banksman
railings and frames - Materials. - post and directing traffic flow.
- Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
site, use tag lines to control the load.
- Provision of barricade in the site area.
7. Bolting of the Railings - Damages Tools and - Wear Hand Safety Gloves.
equipment. - Use proper tools in the activity.
- Excessive Hand Force - Ensure the support legs (diagonal trussing) are fastened to the
- Sharp Surfaces bottom part of the tower and to travelling carriage

8. Erection and installation of - Wrong lifting Falling - Use approved crane with daily inspection Banksman
Climbing cage - Materials. - post and directing traffic flow.
- Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
site, use tag lines to control the load.
- Provision of barricade in the site area.
9. Tightening of the loose - Damages Tools and - Wear Hand Safety Gloves.
grate’s screws equipment. - Use proper tools in the activity.
- Excessive Hand Force - Ensure the support legs (diagonal trussing) are fastened to the
- Sharp Surfaces bottom part of the tower and to travelling carriage
10. Ground assemble of - Wrong lifting Falling - Use approved crane with daily inspection Banksman
counter jib and support - Materials. - post and directing traffic flow.
bars - Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
site, use tag lines to control the load.
- Provision of barricade in the site area.
11. Bolting, Hammering and - Damages Tools and - Wear Hand Safety Gloves.
Screwing equipment. - Use proper tools in the activity.
- Excessive Hand Force
- Sharp Surfaces
12. Erection and Installation - Wrong lifting Falling - Use approved crane with daily inspection Banksman
of counter JIB and - Materials. - post and directing traffic flow.
Support Bars - Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
site, use tag lines to control the load.
- Provision of barricade in the site area.
13. Electrical Installation - Wire damage exposure - Wear Hand Safety Gloves. (Anti Electrical Gloves) Use
- Sharp tools and - proper tools in the activity.
equipment - Use mechanical equipment or power tools.
- Excessive Hand Force - Ensure that electrical supply box is lock and power is off
- Ensure all electrical connection are water proof and heavy
insulated.
14. Tower top crane assemble - Falling of material, - Only trained personnel are allowed to do the task
- No fall protection - Implementation of restriction in the area.
installed - Implementation of Full body harness to the workers and other
- Electrical faulty wiring fall protection system.
- Ensure the proper threading of the lifting rope
- Ensure that all pin joint are safety locked together.
15. Erection and Installation - Wrong lifting Falling - Use approved crane with daily inspection Banksman
of counterweight - Materials. - post and directing traffic flow.
- Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
site, use tag lines to control the load.
- Provision of barricade in the site area.
16. Erection and Installation - Wrong lifting Falling - Use approved crane with daily inspection Banksman
of operator cabin - Materials. - post and directing traffic flow.
- Sharp surfaces - Use softener or protection pad for slinging.
- Ensure presence of trained riggers well identified on the job
site, use tag lines to control the load.
- Provision of barricade in the site area.
17. Installation of control - Wire damage exposure - Wear Hand Safety Gloves. (Anti Electrical Gloves) Use
cables and electrical to - Sharp tools and - proper tools in the activity.
the operation cabin equipment - Use mechanical equipment or power tools.
 - Excessive Hand Force - Ensure that electrical supply box is lock and power is off
- Ensure all electrical connection are water proof and heavy
insulated.
18. Installation and - Wire damage exposure - Wear Hand Safety Gloves. (Anti Electrical Gloves) Use
connection of hydraulic - Sharp tools and - proper tools in the activity.
system, aggregates, equipment - Use mechanical equipment or power tools.
hoses, and electrical - Excessive Hand Force - Ensure that electrical supply box is lock and power is off
supply - Ensure all electrical connection are water proof and heavy
insulated.
19. Adjustment and Testing - Tower Crane Collapse - Notify all workers on site regarding the testing of the crane Re
for operation. - Falling Equipment Parts - check all connection and installed parts.
- Implementation of the restriction perimeter area.
- Use only approved testing load equipment.

Prepared by: MARK JAYSON O. YABES Approved by:

SAFETY MANAGER-TCD